參數(shù)資料
型號(hào)： L7250
廠商： STMICROELECTRONICS
元件分類： 運(yùn)動(dòng)控制電子
英文描述： VOICE COIL MOTOR CONTROLLER, PQFP64
封裝： TQFP-64
文件頁數(shù)： 45/46頁
文件大?。?/td> 478K
代理商： L7250
L7250
8/46
err _clamp
high
High output (clamp) voltage
Isource = 1mA, referred to Vref25
TBD
V
VCM OUTPUT DRIVERS
PWR_Gain Power amplifier differential gain.
Io = ±1A, Rload = 8
14
15
16
V/V
Rds(on)
Total output ON resistance
(Source + Sink)
@ 125°C, I=2A
.9
PWR_Lkg
Output leakage current
600
uA
DiodeFw Clamp diode forward voltage
If = 2A
0.6
1.2
V
THD
Total Harmonic Distortion
characterized no tested
1
%
PWR_Slew
VCMN or VCMP slew rate
RL = 8 ohms
1
V/us
PWR_B
and
Power Amp -3dB Bandwidth
Driving ERROUT = VDACREF,
Guaranteed by design
250
500
kHz
Icross
Static Shoot-through current
Guaranteed by design
0
mA
VCM CURRENT CONTROL LOOP STATIC AND DYNAMIC CHARACTERISTICS
IVCMoff
Total offset current
Rs=0.2
-75
75
mA
DIVCMoff
Total offset current drift
temperature coefficient
Guaranteed by design
.2
mA/oC
Gm_psrr Gm loop VSRR of VCV
-1
1
mA/V
VCM LINEAR DAC
DAC_res Resolution
15
bit
DAC_out Full Scale Output Voltage
wrt VDACREF
0.96
1
1.04
V
DAC_off
Mid-Scale Error
wrt VDACREF
-12
12
mV
DAC_DNL Differential Non linearity
Guaranteed Monotonicity
±1
LSB
DAC_INL Integral Non Linearity
±64
LSB
DAC_Co
nvT
Conversion time
90% from 3FFFh to 0020h
3
s
VCM LOAD/UNLOAD
ADC
ADC_res
resolution
10
bit
ADC_DNL Differential Non Linearity
1
LSB
ADC_INL
Integral Non Linearity
3
LSB
ADC_Co
nvT
Conversion time
40
ADC
Clock
cycles
ELECTRICAL CHARACTERISTCS (continued)
POWER SUPPLY [VCC5 & VCV] VCC5 = 5V ±10%, VCV = 12V ±10%. Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
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